Composition and processing effects on the electrochemical characteristics of biomedical titanium alloys

被引：104

作者：

Cvijovic-Alagic, I. ^{[1
]}

Cvijovic, Z. ^{[2
]}

Bajat, J. ^{[2
]}

Rakin, M. ^{[2
]}

机构：

[1] Univ Belgrade, Inst Nucl Sci Vinca, Belgrade 11001, Serbia

[2] Univ Belgrade, Fac Technol & Met, Belgrade 11120, Serbia

来源：

CORROSION SCIENCE | 2014年 / 83卷

关键词：

Titanium; Alloys; XRD; Passive films; Polarization; EIS; IN-VITRO CORROSION; TI-13NB-13ZR ALLOY; PHYSIOLOGICAL SOLUTION; IMPEDANCE SPECTROSCOPY; OXIDE-FILMS; ORTHOPEDIC TIALV; FATIGUE BEHAVIOR; RINGERS SOLUTION; IMPLANT ALLOYS; HANKS SOLUTION;

D O I：

10.1016/j.corsci.2014.02.017

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

The electrochemical behaviour of the Ti-13Nb-13Zr and Ti-6Al-4V ELI alloys with martensitic microstructures was investigated by polarization and electrochemical impedance spectroscopy (EIS) in Ringer's solution. The impedance spectra were interpreted by a two time-constants equivalent circuit. Both investigated alloys showed high corrosion resistance, but the thin and uniform passive film on the Ti-6Al-4V ELI alloy surface was more protective. The inner barrier and outer porous layer were highly resistant and capacitive. However, thicker and more porous passive film on the Ti-13Nb-13Zr alloy surface may be beneficial for osteointegration. The suitable thermomechanical processing improved the corrosion resistance of Ti-13Nb-13Zr alloy. (c) 2014 Elsevier Ltd. All rights reserved.

引用

页码：245 / 254

页数：10

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